QuickviewRii as the first mini keyboard brand ,all keyboards designed by RiitekTeam. Wireless Touch Keyboard,3-Colors Backlight Keyboard,FirstMulti-Touch Big Size Trackpad ,Rechargeable keyboard for Android TVBOX,SmartTV,Xbox,RaspberryPi,PC,Tablet,HTPC,Android ,Windows ,MacS.Product OperationUSB Receiver LocationThe USB Receiver locates the back bottom .Open the back case ,you will find the USB receiver and the RechargeCable together.3-Colors Backlight Control1.The Bulb button at the rigth bottom side as the Backlight control button2. Backlight colors: Red ,Green,Blue.Trackpad Operation1.Single finger click: Left Mouse2.Two fingles click: Right Mouse3.Two fingles slid: Zoom in/outRechargeable Wireless KeyboardBuilt-in Rechargeable keyboard .Once recharge last about 2 weeks.Repair MethodWhen the indicator LED always flash,you could try to repair as thefollowing two steps ,1.Press the ESC button and turn on the keyboard at the same time2.Insert the USB dongle into your main device's USB port and the WhiteLED will flash 3-5s ,then off ,that means the repair success .Warm Tips1.When you use the wireless keyboard on Fire TV, you need an OTG cable.2.The Samsung newest smart TV doesn?t support all the functions ofthe standard keyboard and mouse.3.When you press ?a? but appear ?aaaaaa? or the keyboard has veryshort connection distance, because the signal is interfered.4.Here is the solution: taking out of the extension cable in thepackage to connect your TV and the USB receiver.5.If the signal indicator flashes fast, it means the keyboard lostconnection with USB receiver. Please repair it according to repairsteps in user Manual.